* [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang
@ 2021-05-28 20:08 Gustavo A. R. Silva
2021-06-01 19:20 ` Kees Cook
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Gustavo A. R. Silva @ 2021-05-28 20:08 UTC (permalink / raw)
To: Sathya Prakash, Sreekanth Reddy, Suganath Prabu Subramani,
James E.J. Bottomley, Martin K. Petersen
Cc: MPT-FusionLinux.pdl, linux-scsi, linux-kernel,
Gustavo A. R. Silva, linux-hardening
In preparation to enable -Wimplicit-fallthrough for Clang, fix a couple
of warnings by explicitly adding break statements instead of just letting
the code fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
JFYI: We had thousands of these sorts of warnings and now we are down
to just 25 in linux-next. These are some of those last remaining
warnings.
drivers/scsi/mpt3sas/mpt3sas_base.c | 1 +
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 68fde055b02f..969c0d676ae2 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4435,6 +4435,7 @@ _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc)
ioc->pdev->subsystem_device);
break;
}
+ break;
default:
break;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index d00aca3c77ce..d9d5e9c0e110 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -11932,6 +11932,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->multipath_on_hba = 1;
else
ioc->multipath_on_hba = 0;
+ break;
default:
break;
}
--
2.27.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang
2021-05-28 20:08 [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang Gustavo A. R. Silva
@ 2021-06-01 19:20 ` Kees Cook
2021-06-02 3:23 ` Martin K. Petersen
2021-06-08 3:05 ` Martin K. Petersen
2 siblings, 0 replies; 5+ messages in thread
From: Kees Cook @ 2021-06-01 19:20 UTC (permalink / raw)
To: Gustavo A. R. Silva
Cc: Sathya Prakash, Sreekanth Reddy, Suganath Prabu Subramani,
James E.J. Bottomley, Martin K. Petersen, MPT-FusionLinux.pdl,
linux-scsi, linux-kernel, linux-hardening
On Fri, May 28, 2021 at 03:08:28PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a couple
> of warnings by explicitly adding break statements instead of just letting
> the code fall through to the next case.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang
2021-05-28 20:08 [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang Gustavo A. R. Silva
2021-06-01 19:20 ` Kees Cook
@ 2021-06-02 3:23 ` Martin K. Petersen
2021-06-02 3:32 ` Gustavo A. R. Silva
2021-06-08 3:05 ` Martin K. Petersen
2 siblings, 1 reply; 5+ messages in thread
From: Martin K. Petersen @ 2021-06-02 3:23 UTC (permalink / raw)
To: Gustavo A. R. Silva
Cc: Sathya Prakash, Sreekanth Reddy, Suganath Prabu Subramani,
James E.J. Bottomley, Martin K. Petersen, MPT-FusionLinux.pdl,
linux-scsi, linux-kernel, linux-hardening
Gustavo,
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a
> couple of warnings by explicitly adding break statements instead of
> just letting the code fall through to the next case.
Applied to 5.14/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang
2021-06-02 3:23 ` Martin K. Petersen
@ 2021-06-02 3:32 ` Gustavo A. R. Silva
0 siblings, 0 replies; 5+ messages in thread
From: Gustavo A. R. Silva @ 2021-06-02 3:32 UTC (permalink / raw)
To: Martin K. Petersen, Gustavo A. R. Silva
Cc: Sathya Prakash, Sreekanth Reddy, Suganath Prabu Subramani,
James E.J. Bottomley, MPT-FusionLinux.pdl, linux-scsi,
linux-kernel, linux-hardening
On 6/1/21 22:23, Martin K. Petersen wrote:
> Applied to 5.14/scsi-staging, thanks!
Thanks, Martin.
--
Gustavo
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang
2021-05-28 20:08 [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang Gustavo A. R. Silva
2021-06-01 19:20 ` Kees Cook
2021-06-02 3:23 ` Martin K. Petersen
@ 2021-06-08 3:05 ` Martin K. Petersen
2 siblings, 0 replies; 5+ messages in thread
From: Martin K. Petersen @ 2021-06-08 3:05 UTC (permalink / raw)
To: Gustavo A. R. Silva, Sreekanth Reddy, Sathya Prakash,
Suganath Prabu Subramani, James E.J. Bottomley
Cc: Martin K . Petersen, linux-scsi, MPT-FusionLinux.pdl,
linux-hardening, linux-kernel
On Fri, 28 May 2021 15:08:28 -0500, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a couple
> of warnings by explicitly adding break statements instead of just letting
> the code fall through to the next case.
Applied to 5.14/scsi-queue, thanks!
[1/1] scsi: mpt3sas: Fix fall-through warnings for Clang
https://git.kernel.org/mkp/scsi/c/84a84cc6aff4
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 5+ messages in thread
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2021-05-28 20:08 [PATCH][next] scsi: mpt3sas: Fix fall-through warnings for Clang Gustavo A. R. Silva
2021-06-01 19:20 ` Kees Cook
2021-06-02 3:23 ` Martin K. Petersen
2021-06-02 3:32 ` Gustavo A. R. Silva
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